LiftMaster E-Box for GH, 1PH, L5 | LIF-K74-36835-3-MC liftmaster 20-3075C-4 K77-39434 is a Cover Replacement

K77-39434 is a Cover Replacement Kit for UL325 Safety Standards and Compliance Regulations

RF Interface: Frequency Shift Keying

It is offered as fixed and customizable length

Bracket and clamps to attach side mounted 2 x 5 inch aluminum arm

Y and/or Z axis independently

LiftMaster E-Box for GH, 1PH, L5 | LIF-K74-36835-3-MC liftmaster 20-3075C-4 K77-39434 is a Cover ReplacementLiftMaster E Box for GH, 1PH, L5 LIF K74 36835 3 MC K74 36835 3 MC is a Electrical Box Replacement Kit for use with various LiftMaster GH Series 1 Phase Commercial Door Operators; utilizing Logic 5. 0. Also known as: K74 36830 3 K GH501L5 K74 36835 3 Note: this product is made to order Genuine Liftmaster replacement kit.